import { type PluginFunction } from '@graphql-codegen/plugin-helpers';
/**
 * Plugin for generating fragment masking helper functions.
 */
export declare const plugin: PluginFunction<{
    useTypeImports?: boolean;
    augmentedModuleName?: string;
    unmaskFunctionName?: string;
    emitLegacyCommonJSImports?: boolean;
    importExtension?: '' | `.${string}`;
    isStringDocumentMode?: boolean;
}>;